Seabed Abysmal: deepest z35W7z4v9z8w

Spectacular abyssal creatures of the sea .Discover deep ocean creatures.

Showing posts with label deepest. Show all posts
Showing posts with label deepest. Show all posts

March 23, 2012

Spectacular underwater images of ''Titanic'' in the ocean depths

The optical technology facilitated a group of explorers of the deep ocean out the first images of the two whole sections of the Titanic. The offers readers the April issue of the magazine 'National Geographic', as part of the centenary of the wreck.

Previously, the low light of the ocean floor allowed to adopt different positions fragmentary minimally approaching the subject of the photograph.In the 25 years since the discovery of the remains of the emblematic boat managed to accumulate thousands of photos, but none was a full picture of the place where lie the wrecks.

          © RMS Titanic, Inc., produced by AIVL, the Woods Hole Oceanographic Institution

A three-dimensional navigation probe was instrumental in gathering a lot of photographic images in a single portrait. Assembled the first image showing the cover from above, under a right angle. After the Titanic was recorded from different points of view, resulting in representation of all the details of its current appearance.

                                               © RMS Titanic, Inc., produced by AIVL

Various positions to assess the damaged that the remains of the ship.

                                               © RMS Titanic, Inc., produced by AIVL

The ultrasonic probe and the photographic works were carried out in an area of ​​5 by 3 nautical miles. Because of that were located all tiny fragments lost the legendary steamship, the April 10, 1912 sailed from the British coast for four days later collide with an iceberg in the North Atlantic.

March 22, 2012

From delta to ocean depths: Nature in symphony

Stunning jellyfish-robot for rescue missions in the deep ocean.

Engineers in the United States recently announced the invention of a hydrogen-powered robot that moves in the water as do the robot is called Robojelly medusas.El and although still in beta, its designers hope it can be used in operations rescue.

According to Yonas Tadesse, lead author of the study, so simply swimming with jellyfish make them an ideal model in the design of such vehicles. Being driven hydrogen-powered systems, in theory the robot should not run out of fuel.

"For all we know, is the first time an underwater robot uses hydrogen as an energy source," said Tadesse.

Jellyfish move using circular muscles attached to that kind of shell gelatinous umbrella-shaped bell with.

When these muscles contract, expelling the water shell, allowing you to move. When these are relaxed, the jellyfish returns to its initial state.

To mimic this, the vehicle will use what is known as "thermal memory effect", a property of materials called "smart", you are able to remember its original shape.

These cover materials carbon nanotubes, a kind of pure carbon rods with electrical properties, coated in turn with a platinum black.

The robot will be promoted by the heat induced from a chemical reaction between oxygen and hydrogen present in the water along with the platinum surface.

The heat of this reaction are transferred to the artificial muscles of robot, which will change its shape. This means that the Robojelly can refuel their environment and not have to resort to external power sources or batteries.

The team recognized Virginia Tech research center expects this to avoid running out of fuel. Currently, the jellyfish robot can bend the eight segments that make up its shell at the same time, but the team plans to control each segment individually.

Thus, the robot could be controlled more and could allow move in different directions.
The project has been funded by the Office of Naval Research United States and the idea is that benefits the body of marines and naval fleet in the country.

March 14, 2012

Jacques Cousteau's underworld village in the Red Sea

Philippe Cousteau Jnr makes an emotional first visit to the remains of an ambitious underwater village in the Red Sea established by his grandfather, Jacques Cousteau, to discover whether humans could ever live underwater. Fascinating clip from the BBC's Oceans series.

BBC Life : Creatures of the Deep pt 1/4

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